//update the camera movement per frame after it has confirmed the layer's previous position
public void Update(GameTime gameTime)
{
float elapsedSeconds = (float)gameTime.ElapsedGameTime.TotalSeconds;
float previousPosX = position.X; //previous X position of the layer
position.X -= ScrollingSpeed * elapsedSeconds; //set the new position of the layer
for (int i = 0; i < level.backgroundLayers.Length; i++) //for every item in the backgroundLayer array in Level
{
//create an instance of it
BackgroundLayer layer = level.backgroundLayers[i];
//access the ScrollSpeed property of BackgroundLayer and set OffsetX property
level.backgroundLayers[i].OffsetX -= layer.Texture.Width;
if (level.backgroundLayers[i].OffsetX < layer.Texture.Width)
{
level.backgroundLayers[i].OffsetX = 0;
}
}
}
//Finally, a level instance
public Level(Main game)
{
//Pass the Main in
this.game = game;
//create an instance of the player
player = new Player(game);
//Set the backgroun up with the array and load in the content
backgroundLayers = new BackgroundLayer[4];
backgroundLayers[0] = new BackgroundLayer() // call that autogenerated empty constructor in BackgroundLayer
{
Texture = game.Content.Load <Texture2D>("_background/Layer1"),
ScrollingSpeed = 0.25f,
OffsetX = 300
};
backgroundLayers[1] = new BackgroundLayer() // call that autogenerated empty constructor in BackgroundLayer
{
Texture = game.Content.Load <Texture2D>("_background/Layer2"),
ScrollingSpeed = 0.5f,
OffsetX = 700
};
backgroundLayers[2] = new BackgroundLayer() // call that autogenerated empty constructor in BackgroundLayer
{
Texture = game.Content.Load <Texture2D>("_background/Layer3"),
ScrollingSpeed = 0.75f,
OffsetX = 800
};
backgroundLayers[3] = new BackgroundLayer() // call that autogenerated empty constructor in BackgroundLayer
{
Texture = game.Content.Load <Texture2D>("_background/Layer9"),
ScrollingSpeed = 1f,
OffsetX = 900
};
//Create an instance of Camera
Camera = new Camera(this);
}